wvpc
Member
2013 Michigan State Police preliminary findings for motorcycles.
http://www.michigan.gov/msp/0,4643,7-123-1645_4607-16274--,00.html
The "old" 2012 report is available below.
http://www.michigan.gov/msp/0,4643,7-123-1645_4607-16274--,00.html
The "old" 2012 report is available below.